Fix typo.
to setup default file

now we can setup default file to some thing like 'default.htm'. 
The default value is still 'index.html', same as the old version.
Response write/end to noop() when request aborted
when session.save error should return error

1
Merge pull request #727 from superddr/master

to set the default page of static module
Merge pull request #755 from coolme200/fix-save-error

when session.save error should return error
Revert "when session.save error should return error"

This reverts commit 437f21a67de194ca467f4b2aec91e0018330bba1.
session: add long expires check and prevent set-cookie
Release 2.7.4
utils: add brokenPause flag, don't use make pause noop in 0.10
update travis.yml
tests: remove trailing whitespace test for node 0.10
limit: do not consume request
Merge pull request #787 from jonathanong/node-0.10

Node 0.10 support
update cookie-signature
fix tests
Release 2.7.5
Revert "fix tests"

This reverts commit d1ffcf172f9046d414f06fefee37f46af2646492.
Release 2.7.6
Update buffer-crc32